Developer Tools • August 12, 2026
ASCII Table with Hex Values - Complete Guide
Complete ASCII character reference table with decimal, hexadecimal, and binary values for every character. A quick lookup guide for developers, students, and data debugging.
By Hex Calculator Team
ASCII Table with Hex Values: Complete Reference
The ASCII (American Standard Code for Information Interchange) table is fundamental to computing. Our comprehensive ASCII Table with Hex Values provides a quick reference for all ASCII characters.
What is the ASCII Table?
The ASCII table maps characters to numerical values, enabling computers to store and process text. Each character has a decimal, hexadecimal, and binary representation.
ASCII Character Ranges
Control Characters (0-31, 00-1F)
Non-printable characters that control device behavior:
- NUL (0): Null character
- BEL (7): Bell/alert
- BS (8): Backspace
- TAB (9): Horizontal tab
- LF (10): Line feed (newline)
- CR (13): Carriage return
- ESC (27): Escape
Printable Characters (32-126, 20-7E)
Characters that display on screen:
- Space (32, 20): Empty space
- Digits (48-57, 30-39): 0-9
- Uppercase (65-90, 41-5A): A-Z
- Lowercase (97-122, 61-7A): a-z
- Symbols (32-47, 58-64, 91-96, 123-126): Various punctuation
Common ASCII Conversions
Letters
- A: Decimal 65, Hex 41, Binary 01000001
- Z: Decimal 90, Hex 5A, Binary 01011010
- a: Decimal 97, Hex 61, Binary 01100001
- z: Decimal 122, Hex 7A, Binary 01111010
Numbers
- 0: Decimal 48, Hex 30, Binary 00110000
- 9: Decimal 57, Hex 39, Binary 00111001
Common Symbols
- Space: Decimal 32, Hex 20
- !: Decimal 33, Hex 21
- @: Decimal 64, Hex 40
- #: Decimal 35, Hex 23
Tips and Tricks
- Case difference: Uppercase and lowercase differ by 32 (20 hex)
- Quick conversion: Add 32 to uppercase to get lowercase
- Printable range: Characters 32-126 are printable
- Extended ASCII: Values 128-255 vary by code page
- UTF-8: ASCII characters use single byte in UTF-8
Why Use Our ASCII Table?
- Complete reference for all 128 ASCII characters
- Multiple formats: Decimal, hex, binary
- Search functionality to find characters quickly
- Mobile-responsive design
- Free and unlimited usage
Master ASCII character encoding with our comprehensive table. Try it now!